<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>正则扩展-命名捕获分组</title>
</head>
<body>
  <script>
    //声明一个字符串
    // let str = '<a href="http://www.atguigu.com">尚硅谷</a>';

    // //提取 url 与 [标签文本]
    // const reg = /<a href="(.*)">(.*)<\/a>/;

    //   //执行
    //   const result = reg.exec(str);

    //   console.log(result);
      // console.log(result[2]);

      let str = '<a href="http://www.atguigu.com">尚硅谷</a>'
      
      const reg = /<a href="(?<url>.*)">(?<text>.*)<\/a>/;

      const result = reg.exec(str);

      console.log(result);
      console.log(result.groups.url);
      console.log(result.groups.text);
  </script>
</body>
</html>